high fidelity

American  

noun

Electronics.

1. sound reproduction over the full range of audible frequencies with very little distortion of the original signal.

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high fidelity British  

noun

1. Often shortened to: hi-fi. 

   1. the reproduction of sound using electronic equipment that gives faithful reproduction with little or no distortion

   2. ( as modifier )

      a high-fidelity amplifier

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Other Word Forms

• high-fidelity
  adjective

Etymology

Origin of high fidelity

First recorded in 1930–35

Example Sentences

Inside, standing 43 inches tall, a silver speaker from Takahiro Miyashita’s brand TheSoloist vibrates high fidelity through the showroom.

From Los Angeles Times • Apr. 17, 2026

The breadth of McCartney and Wings’ abiding work is presented in breathtaking high fidelity, no less, affording listeners a sense of the energy, urgency, and passion inherent in the group’s finest moments.

From Salon • Nov. 3, 2025

As qubits are sensitive to disturbances in the environment that could impact the performance of a quantum system, high fidelity is key.

From Barron's • Oct. 21, 2025

This is because of "really high fidelity graphics" in games needing "a lot of people involved in the development process", he explained.

From BBC • Jun. 28, 2025

The tranquil delight which we derive from the enlargement of intellect, and the exquisite inward satisfaction that results from high fidelity to duty, may be mentioned as the last to crown the scale of pleasures.

From Creed And Deed A Series of Discourses by Adler, Felix